<template>
    <div id="globalHeader">
        <a-row :wrap="false">
            <a-col flex="200px">
                <router-link to="/">
                    <div class="title-bar">
                        <img class="logo" src="../assets/logo.png" alt="logo" />
                        <div class="title">鱼皮云图库</div>
                    </div>
                </router-link>
            </a-col>
            <a-col flex="auto">
                <a-menu v-model:selectedKeys="current" mode="horizontal" :items="items" @click="doMenuClick"/>
            </a-col>
            <a-col flex="100px">
                <div class="user-login-status">
                    <div v-if="loginUserStore.loginUser.id">
                        <a-dropdown>
                            <ASpace>
                                <a-avatar :src="loginUserStore.loginUser.userAvatar" />
                                {{ loginUserStore.loginUser.userName ?? '无名' }}
                            </ASpace>
                            <template #overlay>
                                <a-menu>
                                    <a-menu-item @click="doLogout">
                                        <LogoutOutlined/>
                                        退出登录
                                    </a-menu-item>
                                </a-menu>
                            </template>
                        </a-dropdown>
                    </div>
                    <div v-else>
                        <a-button type="primary" href="/user/login">登录</a-button>
                    </div>
                </div>

            </a-col>
        </a-row>
    </div>
</template>

<script lang="ts" setup>
import {computed, h, ref} from 'vue'
import { HomeOutlined, LogoutOutlined } from '@ant-design/icons-vue'
import {MenuProps, message} from 'ant-design-vue'
// 引入路由
import { useRouter } from "vue-router";
import {useLoginUserStore} from "../stores/useLoginUserStore";
import {userLogoutUsingPost} from "../api/userController";
const router = useRouter();

const current = ref<string[]>([])
// 未经过滤的菜单项
const originItems = [
    {
        key: '/',
        icon: () => h(HomeOutlined),
        label: '主页',
        title: '主页',
    },
    {
        key: '/admin/userManage',
        label: '用户管理',
        title: '用户管理',
    },
    {
        key: '/add_picture',
        label: '创建图片',
        title: '创建图片',
    },
    {
        key: '/admin/pictureManage',
        label: '图片管理',
        title: '图片管理',
    },
    {
        key: '/admin/spaceManage',
        label: '空间管理',
        title: '空间管理',
    }
]

// 根据权限过滤菜单项
const filterMenus = (menus = [] as MenuProps['items']) => {
    return menus?.filter((menu) => {
        // 管理员才能看到 /admin 开头的菜单
        if (menu?.key?.startsWith('/admin')) {
            const loginUser = loginUserStore.loginUser
            if (!loginUser || loginUser.userRole !== 'admin') {
                return false
            }
        }
        return true
    })
}

// 展示在菜单的路由数组
const items = computed(() => filterMenus(originItems))


router.afterEach((to, from, next) => {

    current.value = [to.path];
});

// 路由跳转事件
const doMenuClick = ({ key }: { key: string }) => {

    router.push({

        path: key,
    });
};

// 用户注销
const doLogout = async () => {
    const res = await userLogoutUsingPost()
    console.log(res)
    if (res.data.code === 0) {
        loginUserStore.setLoginUser({
            userName: '未登录',
        })
        message.success('退出登录成功')
        await router.push('/user/login')
    } else {
        message.error('退出登录失败，' + res.data.message)
    }
}

const loginUserStore = useLoginUserStore()
loginUserStore.fetchLoginUser()

</script>

<style scoped>
#globalHeader .title-bar {

    display: flex;
    align-items: center;
}

.title {

    color: black;
    font-size: 18px;
    margin-left: 16px;
}

.logo {

    height: 48px;
}
</style>

